Impact: Moderate Public Date: 2019-07-19 CWE: CWE-400 Bugzilla: 1735630: CVE-2019-13648 kernel: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call In the Linux kernel through 5.2.1 on the powerpc platform, when hardware transactional memory is disabled, a local user can cause a denial of service (TM Bad Thing exception and system crash) via a sigreturn() system call that sends a crafted signal frame. This affects arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-13648 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 5 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
Attack Vector | Local |
Attack Complexity | Low |
Privileges Required | Low |
User Interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | None |
Availability Impact | High |
Platform | Package | State |
---|---|---|
Red Hat OpenShift Container Platform 4.1 | kernel | Under investigation |
Red Hat Enterprise MRG 2 | kernel-rt | Under investigation |
Red Hat Enterprise Linux 8 | kernel | Under investigation |
Red Hat Enterprise Linux 8 | kernel-rt | Under investigation |
Red Hat Enterprise Linux 7 | kernel-alt | Under investigation |
Red Hat Enterprise Linux 7 | kernel | Under investigation |
Red Hat Enterprise Linux 7 | kernel-rt | Under investigation |
Red Hat Enterprise Linux 6 | kernel | Under investigation |
Red Hat Enterprise Linux 5 | kernel | Under investigation |